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266 lines
8.6 KiB
266 lines
8.6 KiB
/** |
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* Version 2.4.0 Copyright (C) 2013 |
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* Tested in IE 11, FF 28.0 and Chrome 33.0.1750.154 |
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* No official support for other browsers, but will TRY to accommodate challenges in other browsers. |
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* Example: |
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* Print Button: <div id="print_button">Print</div> |
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* Print Area : <div class="PrintArea" id="MyId" class="MyClass"> ... html ... </div> |
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* Javascript : <script> |
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* $("div#print_button").on('click', function(){ |
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* $("div.PrintArea").printArea( [OPTIONS] ); |
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* }); |
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* </script> |
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* options are passed as json (example: {mode: "popup", popClose: false}) |
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* |
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* {OPTIONS} | [type] | (default), values | Explanation |
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* --------- | --------- | ---------------------- | ----------- |
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* @mode | [string] | (iframe),popup | printable window is either iframe or browser popup |
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* @popHt | [number] | (500) | popup window height |
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* @popWd | [number] | (400) | popup window width |
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* @popX | [number] | (500) | popup window screen X position |
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* @popY | [number] | (500) | popup window screen Y position |
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* @popTitle | [string] | ('') | popup window title element |
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* @popClose | [boolean] | (false),true | popup window close after printing |
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* @extraCss | [string] | ('') | comma separated list of extra css to include |
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* @retainAttr | [string[]] | ["id","class","style"] | string array of attributes to retain for the containment area. (ie: id, style, class) |
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* @standard | [string] | strict, loose, (html5) | Only for popup. For html 4.01, strict or loose document standard, or html 5 standard |
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* @extraHead | [string] | ('') | comma separated list of extra elements to be appended to the head tag |
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*/ |
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(function ($) { |
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var counter = 0; |
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var modes = { iframe: "iframe", popup: "popup" }; |
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var standards = { strict: "strict", loose: "loose", html5: "html5" }; |
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var defaults = { |
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mode: modes.iframe, |
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standard: standards.html5, |
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popHt: 500, |
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popWd: 400, |
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popX: 200, |
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popY: 200, |
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popTitle: "", |
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popClose: false, |
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extraCss: "", |
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extraHead: "", |
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retainAttr: ["id", "class", "style"], |
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}; |
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var settings = {}; //global settings |
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$.fn.printArea = function (options) { |
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$.extend(settings, defaults, options); |
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counter++; |
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var idPrefix = "printArea_"; |
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$("[id^=" + idPrefix + "]").remove(); |
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settings.id = idPrefix + counter; |
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var $printSource = $(this); |
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var PrintAreaWindow = PrintArea.getPrintWindow(); |
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PrintArea.write(PrintAreaWindow.doc, $printSource); |
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setTimeout(function () { |
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PrintArea.print(PrintAreaWindow); |
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}, 1000); |
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}; |
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var PrintArea = { |
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print: function (PAWindow) { |
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var paWindow = PAWindow.win; |
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$(PAWindow.doc).ready(function () { |
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paWindow.focus(); |
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paWindow.print(); |
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if (settings.mode == modes.popup && settings.popClose) |
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setTimeout(function () { |
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paWindow.close(); |
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}, 2000); |
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}); |
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}, |
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write: function (PADocument, $ele) { |
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PADocument.open(); |
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PADocument.write( |
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PrintArea.docType() + |
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"<html>" + |
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PrintArea.getHead() + |
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PrintArea.getBody($ele) + |
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"</html>" |
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); |
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PADocument.close(); |
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}, |
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docType: function () { |
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if (settings.mode == modes.iframe) return ""; |
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if (settings.standard == standards.html5) return "<!DOCTYPE html>"; |
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var transitional = |
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settings.standard == standards.loose ? " Transitional" : ""; |
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var dtd = settings.standard == standards.loose ? "loose" : "strict"; |
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return ( |
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'<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01' + |
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transitional + |
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'//EN" "http://www.w3.org/TR/html4/' + |
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dtd + |
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'.dtd">' |
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); |
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}, |
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getHead: function () { |
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var extraHead = ""; |
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var links = ""; |
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if (settings.extraHead) |
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settings.extraHead.replace(/([^,]+)/g, function (m) { |
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extraHead += m; |
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}); |
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$(document) |
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.find("link") |
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.filter(function () { |
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// Requirement: <link> element MUST have rel="stylesheet" to be considered in print document |
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var relAttr = $(this).attr("rel"); |
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return ( |
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($.type(relAttr) === "undefined") == false && |
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relAttr.toLowerCase() == "stylesheet" |
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); |
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}) |
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.filter(function () { |
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// Include if media is undefined, empty, print or all |
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var mediaAttr = $(this).attr("media"); |
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return ( |
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$.type(mediaAttr) === "undefined" || |
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mediaAttr == "" || |
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mediaAttr.toLowerCase() == "print" || |
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mediaAttr.toLowerCase() == "all" |
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); |
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}) |
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.each(function () { |
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links += |
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'<link type="text/css" rel="stylesheet" href="' + |
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$(this).attr("href") + |
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'" >'; |
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}); |
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if (settings.extraCss) |
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settings.extraCss.replace(/([^,\s]+)/g, function (m) { |
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links += '<link type="text/css" rel="stylesheet" href="' + m + '">'; |
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}); |
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return ( |
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"<head><title>" + |
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settings.popTitle + |
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"</title>" + |
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extraHead + |
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links + |
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"</head>" |
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); |
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}, |
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getBody: function (elements) { |
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var htm = ""; |
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var attrs = settings.retainAttr; |
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elements.each(function () { |
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var ele = PrintArea.getFormData($(this)); |
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var attributes = ""; |
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for (var x = 0; x < attrs.length; x++) { |
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var eleAttr = $(ele).attr(attrs[x]); |
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if (eleAttr) |
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attributes += |
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(attributes.length > 0 ? " " : "") + |
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attrs[x] + |
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"='" + |
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eleAttr + |
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"'"; |
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} |
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htm += "<div " + attributes + ">" + $(ele).html() + "</div>"; |
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}); |
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return "<body>" + htm + "</body>"; |
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}, |
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getFormData: function (ele) { |
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var copy = ele.clone(); |
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var copiedInputs = $("input,select,textarea", copy); |
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$("input,select,textarea", ele).each(function (i) { |
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var typeInput = $(this).attr("type"); |
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if ($.type(typeInput) === "undefined") |
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typeInput = $(this).is("select") |
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? "select" |
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: $(this).is("textarea") |
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? "textarea" |
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: ""; |
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var copiedInput = copiedInputs.eq(i); |
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if (typeInput == "radio" || typeInput == "checkbox") |
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copiedInput.attr("checked", $(this).is(":checked")); |
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else if (typeInput == "text") copiedInput.attr("value", $(this).val()); |
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else if (typeInput == "select") |
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$(this) |
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.find("option") |
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.each(function (i) { |
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if ($(this).is(":selected")) |
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$("option", copiedInput).eq(i).attr("selected", true); |
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}); |
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else if (typeInput == "textarea") copiedInput.text($(this).val()); |
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}); |
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return copy; |
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}, |
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getPrintWindow: function () { |
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switch (settings.mode) { |
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case modes.iframe: |
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var f = new PrintArea.Iframe(); |
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return { win: f.contentWindow || f, doc: f.doc }; |
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case modes.popup: |
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var p = new PrintArea.Popup(); |
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return { win: p, doc: p.doc }; |
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} |
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}, |
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Iframe: function () { |
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var frameId = settings.id; |
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var iframeStyle = |
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"border:0;position:absolute;width:0px;height:0px;right:0px;top:0px;"; |
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var iframe; |
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try { |
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iframe = document.createElement("iframe"); |
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document.body.appendChild(iframe); |
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$(iframe).attr({ |
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style: iframeStyle, |
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id: frameId, |
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src: "#" + new Date().getTime(), |
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}); |
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iframe.doc = null; |
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iframe.doc = iframe.contentDocument |
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? iframe.contentDocument |
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: iframe.contentWindow |
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? iframe.contentWindow.document |
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: iframe.document; |
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} catch (e) { |
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throw e + ". iframes may not be supported in this browser."; |
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} |
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if (iframe.doc == null) throw "Cannot find document."; |
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return iframe; |
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}, |
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Popup: function () { |
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var windowAttr = |
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"location=yes,statusbar=no,directories=no,menubar=no,titlebar=no,toolbar=no,dependent=no"; |
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windowAttr += ",width=" + settings.popWd + ",height=" + settings.popHt; |
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windowAttr += |
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",resizable=yes,screenX=" + |
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settings.popX + |
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",screenY=" + |
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settings.popY + |
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",personalbar=no,scrollbars=yes"; |
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var newWin = window.open("", "_blank", windowAttr); |
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newWin.doc = newWin.document; |
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return newWin; |
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}, |
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}; |
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})(jQuery);
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